import numpy as np
# arr = np.random.randint(5, 11, size=(2, 3))
# print(arr)
# import numpy
# import numpy as np
# arr = np.arange(0,4,1)
# print(arr)
# import numpy
# import numpy as np
# arr = np.arange(1,10,2)
# print(arr)
# import numpy
# import numpy as np
# arr = np.arange(0,1,0.2)
# print(arr)
# import numpy
# import numpy as np
# arr = np.arange(5,0,-1)
# print(arr)
# import numpy
# import numpy as np
# arr = np.linspace(5,12,num=5,endpoint=False,retstep=True)
# print(arr)
# import numpy
# import numpy as np
# arr = np.logspace(2,8,num=5,base=2 ,endpoint=False)
# print(arr)
import numpy as np
score = np.arange(0,160,10,dtype='int')
print('成绩数组score:\n',score)
height =np.linspace(1.5,2.5,11,retstep=True)
print('身高等差数组height:\n',height)
wheat=np.logspace(0,63,64,base=2,dtype='uint64')
print('棋盘麦粒等比数组wheat:\n',wheat)